Question

convert the following in km per hour 30m per second​

Answer 1

1 km = 1000m

1 m = 1/1000km

1 hr = 60*60sec

1 hr = 3600sec

1 sec= 1/3600hr

30 m/s = 30*1/1000*3600

= 30*18/5

=18*6

=108km/hr

Hope it helps you

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Answer 2

Answer:

Step-by-step explanation:

Hope you understand

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